Ejemplo n.º 1
0
class MUserFeedNotification(mongo.Document):
    '''A user's notifications of a single feed.'''
    user_id = mongo.IntField()
    feed_id = mongo.IntField()
    frequency = mongoengine_fields.IntEnumField(NotificationFrequency)
    is_focus = mongo.BooleanField()
    last_notification_date = mongo.DateTimeField(default=datetime.datetime.now)
    is_email = mongo.BooleanField()
    is_web = mongo.BooleanField()
    is_ios = mongo.BooleanField()
    is_android = mongo.BooleanField()
    ios_tokens = mongo.ListField(mongo.StringField(max_length=1024))

    meta = {
        'collection':
        'notifications',
        'indexes':
        ['feed_id', {
            'fields': ['user_id', 'feed_id'],
            'unique': True,
        }],
        'allow_inheritance':
        False,
    }

    def __str__(self):
        notification_types = []
        if self.is_email: notification_types.append('email')
        if self.is_web: notification_types.append('web')
        if self.is_ios: notification_types.append('ios')
        if self.is_android: notification_types.append('android')

        return "%s/%s: %s -> %s" % (
            User.objects.get(pk=self.user_id).username,
            Feed.get_by_id(self.feed_id),
            ','.join(notification_types),
            self.last_notification_date,
        )

    @classmethod
    def feed_has_users(cls, feed_id):
        return cls.users_for_feed(feed_id).count()

    @classmethod
    def users_for_feed(cls, feed_id):
        notifications = cls.objects.filter(feed_id=feed_id)

        return notifications

    @classmethod
    def feeds_for_user(cls, user_id):
        notifications = cls.objects.filter(user_id=user_id)
        notifications_by_feed = {}

        for feed in notifications:
            notifications_by_feed[feed.feed_id] = {
                'notification_types': [],
                'notification_filter': "focus" if feed.is_focus else "unread",
            }
            if feed.is_email:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('email')
            if feed.is_web:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('web')
            if feed.is_ios:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('ios')
            if feed.is_android:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('android')

        return notifications_by_feed

    @classmethod
    def push_feed_notifications(cls, feed_id, new_stories, force=False):
        feed = Feed.get_by_id(feed_id)
        notifications = MUserFeedNotification.users_for_feed(feed.pk)
        logging.debug(
            "   ---> [%-30s] ~FCPushing out notifications to ~SB%s users~SN for ~FB~SB%s stories"
            % (feed, len(notifications), new_stories))
        r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)

        latest_story_hashes = r.zrange("zF:%s" % feed.pk, -1 * new_stories, -1)
        mstories = MStory.objects.filter(
            story_hash__in=latest_story_hashes).order_by('-story_date')
        stories = Feed.format_stories(mstories)
        total_sent_count = 0

        for user_feed_notification in notifications:
            sent_count = 0
            last_notification_date = user_feed_notification.last_notification_date
            try:
                usersub = UserSubscription.objects.get(
                    user=user_feed_notification.user_id,
                    feed=user_feed_notification.feed_id)
            except UserSubscription.DoesNotExist:
                continue
            classifiers = user_feed_notification.classifiers(usersub)

            if classifiers == None:
                if settings.DEBUG:
                    logging.debug("Has no usersubs")
                continue

            for story in stories:
                if sent_count >= 3:
                    if settings.DEBUG:
                        logging.debug("Sent too many, ignoring...")
                    continue
                if story['story_date'] <= last_notification_date and not force:
                    if settings.DEBUG:
                        logging.debug(
                            "Story date older than last notification date: %s <= %s"
                            % (story['story_date'], last_notification_date))
                    continue

                if story[
                        'story_date'] > user_feed_notification.last_notification_date:
                    user_feed_notification.last_notification_date = story[
                        'story_date']
                    user_feed_notification.save()

                story['story_content'] = html.unescape(story['story_content'])

                sent = user_feed_notification.push_story_notification(
                    story, classifiers, usersub)
                if sent:
                    sent_count += 1
                    total_sent_count += 1
        return total_sent_count, len(notifications)

    def classifiers(self, usersub):
        classifiers = {}
        if usersub.is_trained:
            classifiers['feeds'] = list(
                MClassifierFeed.objects(user_id=self.user_id,
                                        feed_id=self.feed_id,
                                        social_user_id=0))
            classifiers['authors'] = list(
                MClassifierAuthor.objects(user_id=self.user_id,
                                          feed_id=self.feed_id))
            classifiers['titles'] = list(
                MClassifierTitle.objects(user_id=self.user_id,
                                         feed_id=self.feed_id))
            classifiers['tags'] = list(
                MClassifierTag.objects(user_id=self.user_id,
                                       feed_id=self.feed_id))

        return classifiers

    def title_and_body(self, story, usersub, notification_title_only=False):
        def replace_with_newlines(element):
            text = ''
            for elem in element.recursiveChildGenerator():
                if isinstance(elem, (str, )):
                    text += elem
                elif elem.name == 'br':
                    text += '\n'
                elif elem.name == 'p':
                    text += '\n\n'
            text = re.sub(r' +', ' ', text).strip()
            return text

        feed_title = usersub.user_title or usersub.feed.feed_title
        # title = "%s: %s" % (feed_title, story['story_title'])
        title = feed_title
        soup = BeautifulSoup(story['story_content'].strip(), features="lxml")
        if notification_title_only:
            subtitle = None
            body_title = html.unescape(story['story_title']).strip()
            body_content = replace_with_newlines(soup)
            if body_content:
                if body_title == body_content[:len(
                        body_title)] or body_content[:100] == body_title[:100]:
                    body_content = ""
                else:
                    body_content = f"\n※ {body_content}"
            body = f"{body_title}{body_content}"
        else:
            subtitle = html.unescape(story['story_title'])
            body = replace_with_newlines(soup)
        body = truncate_chars(body.strip(), 600)
        if not body:
            body = " "

        if not usersub.user.profile.is_premium:
            body = "Please upgrade to a premium subscription to receive full push notifications."

        return title, subtitle, body

    def push_story_notification(self, story, classifiers, usersub):
        story_score = self.story_score(story, classifiers)
        if self.is_focus and story_score <= 0:
            if settings.DEBUG:
                logging.debug("Is focus, but story is hidden")
            return False
        elif story_score < 0:
            if settings.DEBUG:
                logging.debug("Is unread, but story is hidden")
            return False

        user = User.objects.get(pk=self.user_id)
        logging.user(
            user, "~FCSending push notification: %s/%s (score: %s)" %
            (story['story_title'][:40], story['story_hash'], story_score))

        self.send_web(story, user)
        self.send_ios(story, user, usersub)
        self.send_android(story)
        self.send_email(story, usersub)

        return True

    def send_web(self, story, user):
        if not self.is_web: return

        r = redis.Redis(connection_pool=settings.REDIS_PUBSUB_POOL)
        r.publish(
            user.username,
            'notification:%s,%s' % (story['story_hash'], story['story_title']))

    def send_ios(self, story, user, usersub):
        if not self.is_ios: return

        tokens = MUserNotificationTokens.get_tokens_for_user(self.user_id)
        apns = APNsClient('/srv/newsblur/config/certificates/aps.p12.pem',
                          use_sandbox=tokens.use_sandbox)

        notification_title_only = is_true(
            user.profile.preference_value('notification_title_only'))
        title, subtitle, body = self.title_and_body(story, usersub,
                                                    notification_title_only)
        image_url = None
        if len(story['image_urls']):
            image_url = story['image_urls'][0]
            # print image_url

        confirmed_ios_tokens = []
        for token in tokens.ios_tokens:
            logging.user(
                user, '~BMStory notification by iOS: ~FY~SB%s~SN~BM~FY/~SB%s' %
                (story['story_title'][:50], usersub.feed.feed_title[:50]))
            payload = Payload(alert={
                'title': title,
                'subtitle': subtitle,
                'body': body
            },
                              category="STORY_CATEGORY",
                              mutable_content=True,
                              custom={
                                  'story_hash': story['story_hash'],
                                  'story_feed_id': story['story_feed_id'],
                                  'image_url': image_url,
                              })
            try:
                apns.send_notification(token,
                                       payload,
                                       topic="com.newsblur.NewsBlur")
            except (BadDeviceToken, Unregistered):
                logging.user(user,
                             '~BMiOS token expired: ~FR~SB%s' % (token[:50]))
            else:
                confirmed_ios_tokens.append(token)
                if settings.DEBUG:
                    logging.user(
                        user, '~BMiOS token good: ~FB~SB%s / %s' %
                        (token[:50], len(confirmed_ios_tokens)))

        if len(confirmed_ios_tokens) < len(tokens.ios_tokens):
            tokens.ios_tokens = confirmed_ios_tokens
            tokens.save()

    def send_android(self, story):
        if not self.is_android: return

    def send_email(self, story, usersub):
        if not self.is_email: return
        feed = usersub.feed
        story_content = self.sanitize_story(story['story_content'])

        params = {
            "story": story,
            "story_content": story_content,
            "feed": feed,
            "feed_title": usersub.user_title or feed.feed_title,
            "favicon_border": feed.favicon_color,
        }
        from_address = '*****@*****.**'
        to_address = '%s <%s>' % (usersub.user.username, usersub.user.email)
        text = render_to_string('mail/email_story_notification.txt', params)
        html = render_to_string('mail/email_story_notification.xhtml', params)
        subject = '%s: %s' % (usersub.user_title
                              or usersub.feed.feed_title, story['story_title'])
        subject = subject.replace('\n', ' ')
        msg = EmailMultiAlternatives(subject,
                                     text,
                                     from_email='NewsBlur <%s>' % from_address,
                                     to=[to_address])
        msg.attach_alternative(html, "text/html")
        # try:
        msg.send()
        # except BotoServerError as e:
        #     logging.user(usersub.user, '~BMStory notification by email error: ~FR%s' % e)
        #     return
        logging.user(
            usersub.user,
            '~BMStory notification by email: ~FY~SB%s~SN~BM~FY/~SB%s' %
            (story['story_title'][:50], usersub.feed.feed_title[:50]))

    def sanitize_story(self, story_content):
        soup = BeautifulSoup(story_content.strip(), features="lxml")
        fqdn = Site.objects.get_current().domain

        # Convert videos in newsletters to images
        for iframe in soup("iframe"):
            url = dict(iframe.attrs).get('src', "")
            youtube_id = self.extract_youtube_id(url)
            if youtube_id:
                a = soup.new_tag('a', href=url)
                img = soup.new_tag(
                    'img',
                    style=
                    "display: block; 'background-image': \"url(https://%s/img/reader/youtube_play.png), url(http://img.youtube.com/vi/%s/0.jpg)\""
                    % (fqdn, youtube_id),
                    src='http://img.youtube.com/vi/%s/0.jpg' % youtube_id)
                a.insert(0, img)
                iframe.replaceWith(a)
            else:
                iframe.extract()

        return str(soup)

    def extract_youtube_id(self, url):
        youtube_id = None

        if 'youtube.com' in url:
            youtube_parts = urllib.parse.urlparse(url)
            if '/embed/' in youtube_parts.path:
                youtube_id = youtube_parts.path.replace('/embed/', '')

        return youtube_id

    def story_score(self, story, classifiers):
        score = compute_story_score(
            story,
            classifier_titles=classifiers.get('titles', []),
            classifier_authors=classifiers.get('authors', []),
            classifier_tags=classifiers.get('tags', []),
            classifier_feeds=classifiers.get('feeds', []))

        return score
Ejemplo n.º 2
0
class MUserFeedNotification(mongo.Document):
    '''A user's notifications of a single feed.'''
    user_id = mongo.IntField()
    feed_id = mongo.IntField()
    frequency = mongoengine_fields.IntEnumField(NotificationFrequency)
    is_focus = mongo.BooleanField()
    last_notification_date = mongo.DateTimeField(default=datetime.datetime.now)
    is_email = mongo.BooleanField()
    is_web = mongo.BooleanField()
    is_ios = mongo.BooleanField()
    is_android = mongo.BooleanField()
    ios_tokens = mongo.ListField(mongo.StringField(max_length=1024))

    meta = {
        'collection':
        'notifications',
        'indexes': [
            'feed_id', {
                'fields': ['user_id', 'feed_id'],
                'unique': True,
                'types': False,
            }
        ],
        'allow_inheritance':
        False,
    }

    def __unicode__(self):
        notification_types = []
        if self.is_email: notification_types.append('email')
        if self.is_web: notification_types.append('web')
        if self.is_ios: notification_types.append('ios')
        if self.is_android: notification_types.append('android')

        return "%s/%s: %s -> %s" % (
            User.objects.get(pk=self.user_id).username,
            Feed.get_by_id(self.feed_id),
            ','.join(notification_types),
            self.last_notification_date,
        )

    @classmethod
    def feed_has_users(cls, feed_id):
        return cls.users_for_feed(feed_id).count()

    @classmethod
    def users_for_feed(cls, feed_id):
        notifications = cls.objects.filter(feed_id=feed_id)

        return notifications

    @classmethod
    def feeds_for_user(cls, user_id):
        notifications = cls.objects.filter(user_id=user_id)
        notifications_by_feed = {}

        for feed in notifications:
            notifications_by_feed[feed.feed_id] = {
                'notification_types': [],
                'notification_filter': "focus" if feed.is_focus else "unread",
            }
            if feed.is_email:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('email')
            if feed.is_web:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('web')
            if feed.is_ios:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('ios')
            if feed.is_android:
                notifications_by_feed[
                    feed.feed_id]['notification_types'].append('android')

        return notifications_by_feed

    @classmethod
    def push_feed_notifications(cls, feed_id, new_stories, force=False):
        feed = Feed.get_by_id(feed_id)
        notifications = MUserFeedNotification.users_for_feed(feed.pk)
        logging.debug(
            "   ---> [%-30s] ~FCPushing out notifications to ~SB%s users~SN for ~FB~SB%s stories"
            % (feed, len(notifications), new_stories))
        r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)

        latest_story_hashes = r.zrange("zF:%s" % feed.pk, -1 * new_stories, -1)
        mstories = MStory.objects.filter(
            story_hash__in=latest_story_hashes).order_by('-story_date')
        stories = Feed.format_stories(mstories)
        total_sent_count = 0

        for user_feed_notification in notifications:
            sent_count = 0
            last_notification_date = user_feed_notification.last_notification_date
            try:
                usersub = UserSubscription.objects.get(
                    user=user_feed_notification.user_id,
                    feed=user_feed_notification.feed_id)
            except UserSubscription.DoesNotExist:
                continue
            classifiers = user_feed_notification.classifiers(usersub)

            if classifiers == None:
                logging.debug("Has no usersubs")
                continue

            for story in stories:
                if sent_count >= 3:
                    logging.debug("Sent too many, ignoring...")
                    continue
                if story['story_date'] <= last_notification_date and not force:
                    logging.debug(
                        "Story date older than last notification date: %s <= %s"
                        % (story['story_date'], last_notification_date))
                    continue

                if story[
                        'story_date'] > user_feed_notification.last_notification_date:
                    user_feed_notification.last_notification_date = story[
                        'story_date']
                    user_feed_notification.save()

                story['story_content'] = HTMLParser().unescape(
                    story['story_content'])

                sent = user_feed_notification.push_story_notification(
                    story, classifiers, usersub)
                if sent:
                    sent_count += 1
                    total_sent_count += 1
        return total_sent_count, len(notifications)

    def classifiers(self, usersub):
        classifiers = {}
        if usersub.is_trained:
            classifiers['feeds'] = list(
                MClassifierFeed.objects(user_id=self.user_id,
                                        feed_id=self.feed_id,
                                        social_user_id=0))
            classifiers['authors'] = list(
                MClassifierAuthor.objects(user_id=self.user_id,
                                          feed_id=self.feed_id))
            classifiers['titles'] = list(
                MClassifierTitle.objects(user_id=self.user_id,
                                         feed_id=self.feed_id))
            classifiers['tags'] = list(
                MClassifierTag.objects(user_id=self.user_id,
                                       feed_id=self.feed_id))

        return classifiers

    def title_and_body(self, story, usersub):
        def replace_with_newlines(element):
            text = ''
            for elem in element.recursiveChildGenerator():
                if isinstance(elem, types.StringTypes):
                    text += elem
                elif elem.name == 'br':
                    text += '\n'
                elif elem.name == 'p':
                    text += '\n\n'
            return text

        feed_title = usersub.user_title or usersub.feed.feed_title
        # title = "%s: %s" % (feed_title, story['story_title'])
        title = feed_title
        subtitle = HTMLParser().unescape(story['story_title'])
        # body = HTMLParser().unescape(strip_tags(story['story_content']))
        soup = BeautifulSoup(story['story_content'].strip())
        # print story['story_content']
        body = replace_with_newlines(soup)
        body = truncate_chars(body.strip(), 1200)
        if not body:
            body = " "

        return title, subtitle, body

    def push_story_notification(self, story, classifiers, usersub):
        story_score = self.story_score(story, classifiers)
        if self.is_focus and story_score <= 0:
            logging.debug("Is focus, but story is hidden")
            return False
        elif story_score < 0:
            logging.debug("Is unread, but story is hidden")
            return False

        user = User.objects.get(pk=self.user_id)
        logging.user(
            user, "~FCSending push notification: %s/%s (score: %s)" %
            (story['story_title'][:40], story['story_hash'], story_score))

        self.send_web(story, user)
        self.send_ios(story, user, usersub)
        self.send_android(story)
        self.send_email(story, usersub)

        return True

    def send_web(self, story, user):
        if not self.is_web: return

        r = redis.Redis(connection_pool=settings.REDIS_PUBSUB_POOL)
        r.publish(
            user.username,
            'notification:%s,%s' % (story['story_hash'], story['story_title']))

    def send_ios(self, story, user, usersub):
        if not self.is_ios: return

        apns = APNs(use_sandbox=False,
                    cert_file='/srv/newsblur/config/certificates/aps.pem',
                    key_file='/srv/newsblur/config/certificates/aps.pem',
                    enhanced=True)

        tokens = MUserNotificationTokens.get_tokens_for_user(self.user_id)
        title, subtitle, body = self.title_and_body(story, usersub)
        image_url = None
        if len(story['image_urls']):
            image_url = story['image_urls'][0]
            # print image_url

        def response_listener(error_response):
            logging.user(
                user,
                "~FRAPNS client get error-response: " + str(error_response))

        apns.gateway_server.register_response_listener(response_listener)

        for token in tokens.ios_tokens:
            logging.user(
                user, '~BMStory notification by iOS: ~FY~SB%s~SN~BM~FY/~SB%s' %
                (story['story_title'][:50], usersub.feed.feed_title[:50]))
            payload = Payload(alert={
                'title': title,
                'subtitle': subtitle,
                'body': body
            },
                              category="STORY_CATEGORY",
                              mutable_content=True,
                              custom={
                                  'story_hash': story['story_hash'],
                                  'story_feed_id': story['story_feed_id'],
                                  'image_url': image_url,
                              })
            apns.gateway_server.send_notification(token, payload)

    def send_android(self, story):
        if not self.is_android: return

    def send_email(self, story, usersub):
        if not self.is_email: return
        feed = usersub.feed
        story_content = self.sanitize_story(story['story_content'])

        params = {
            "story": story,
            "story_content": story_content,
            "feed": feed,
            "feed_title": usersub.user_title or feed.feed_title,
            "favicon_border": feed.favicon_color,
        }
        from_address = '*****@*****.**'
        to_address = '%s <%s>' % (usersub.user.username, usersub.user.email)
        text = render_to_string('mail/email_story_notification.txt', params)
        html = render_to_string('mail/email_story_notification.xhtml', params)
        subject = '%s: %s' % (usersub.user_title
                              or usersub.feed.feed_title, story['story_title'])
        subject = subject.replace('\n', ' ')
        msg = EmailMultiAlternatives(subject,
                                     text,
                                     from_email='NewsBlur <%s>' % from_address,
                                     to=[to_address])
        msg.attach_alternative(html, "text/html")
        try:
            msg.send()
        except boto.ses.connection.ResponseError, e:
            logging.user(usersub.user,
                         '~BMStory notification by email error: ~FR%s' % e)
        logging.user(
            usersub.user,
            '~BMStory notification by email: ~FY~SB%s~SN~BM~FY/~SB%s' %
            (story['story_title'][:50], usersub.feed.feed_title[:50]))